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Finding the Fourth Proportional to 14,382.18, 19,846.77 and 8,009.10

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Solution

The fourth proportional to 14,382.18, 19,846.77 and 8,009.10 is: 11,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.18 : 19,846.77 = 8,009.10 : x
  2. Step 2: Convert to fraction form
    14,382.18/19,846.77 = 8,009.10/x
  3. Step 3: Cross multiply
    14,382.18x = 19,846.77 × 8,009.10
  4. Step 4: Simplify right side
    14,382.18x = 158,954,765.61
  5. Step 5: Solve for x
    x = 158,954,765.61/14,382.18
  6. Step 6: Final answer
    x = 11,052.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.